PN7160+LPC55S69 NFC Simulation Card Response Issue with TagWriter

[zhaoheng]

I am currently running the simulation card program using LPC55S69 + PN7160. However, the simulation card is unable to function properly. When using TagWriter to read the tag information, the response is not timely, or even there is no response at all. However, using the NFC service provided by the phone can respond and read the tag information promptly. The code I am running is nfc_example_RWandCE.c from the NXP-NCI2.0_LPC55S6x_examples. I have already turned off MODE_poll, but the situation is still not satisfactory. Please help provide some troubleshooting suggestions. Thank you.

[EduardoZamora]

Hello @zhaoheng

Hope you are doing well.

Please make sure you are using the latest FW version available for PN7160. You can refer to PN7160 - FW Update via MCUXpresso.

Also, please refer to PN7160 card emulation; this document provides examples on how to properly set Card Emulation depending on the scenario.

Regards,
Eduardo.

[zhaoheng]

Hello @EduardoZamora 
Thank you for your reply and support.
I have been referring to AN13288: NXP-NCI2.0 MCUXpresso Examples Guide when debugging the card emulation application for PN7160 + LPC55S69.I have also confirmed that the PN7160 firmware is up to date:InfraFW/pn7160/12_50_11/phDnldNfc_UpdateSeq.c
However, I still face an issue during testing with TagWriter:
Sometimes the tag response is very fast and normal
But sometimes the response is delayed, or there is no response at all
Could you please help advise on what might be causing this unstable behavior?
Best regards,

zhaoheng

[EduardoZamora]

Hi,

If you are focusing on Card Emulation, could you please test CE_scenario2 and confirm if this application meets your requirements?

Regards,
Eduardo.

[zhaoheng]

Hi, @EduardoZamora 

Thank you for your prompt suggestion and continuous support!

My primary goal is to implement Card Emulation Scenario 1 for the card emulation function. Following your advice, I have also tested Scenario 2, but encountered the exact same unstable behavior as Scenario 1: when using TagWriter to read the tag information, the response is sometimes very fast and normal, while other times it is delayed or even non-existent.

I am wondering what could be the root cause of this consistent issue across both scenarios. Could this problem be related to my hardware setup? For your reference, my PN7160 module is the OM27160A EVK. 

Additionally, I have attached the runtime logs of both Scenario 1 and Scenario 2 for your analysis. Please let me know if you need any further information (e.g., hardware configuration details, additional test data) to help diagnose this issue.

Thank you again for your help!

Best regards,

Zhaoheng